Name: Planktothrix Anagnostidis and Komárek 1988

Category: Genus

Proposed as: gen. nov.

Etymology: Gr. fem. n. thrix, hair; N.L. fem. n. Planktothrix, a genus of cyanobacteria

Gender: feminine (stem: Planktotrich-)

Type species: Planktothrix agardhii (Gomont 1892) Anagnostidis and Komárek 1988

Conduct genome-based taxonomy of genus at TYGS

16S rRNA gene: Analyse FASTA

Valid publication: Anagnostidis K, Komárek J. Modern approach to the classification system of cyanophytes 3 - Oscillatoriales. Algological Studies 1988; 50-53:327-472.

Nomenclatural status: validly published under the ICN (Botanical Code)

Taxonomic status: correct name

• Emendations:
  • Suda et al. 2002 Suda S, Watanabe MM, Otsuka S, Mahakahant A, Yongmanitchai W, Nopartnaraporn N, Liu Y, Day JG. Taxonomic revision of water-bloom-forming species of oscillatorioid cyanobacteria. Int J Syst Evol Microbiol 2002; 52:1577-1595.
    Notes:
    • Suda et al. 2002 propose an emendation of the genus "Planktothrix" which has no standing in nomenclature under the Rules of the Bacteriological Code (1990 Revision). — Planktothrix Anagnostidis and Komárek 1988 is validly published under the International Code of Botanical Nomenclature.

• Notes:
  • Boone et al. (2001) assigned this genus to the class "Cyanobacteria". Publication: Garrity GM, Holt JG. The Road Map to the Manual. In: Boone DR, Castenholz RW, Garrity GM (eds), Bergey's Manual of Systematic Bacteriology, second edition, vol. 1 (The Archaea and the deeply branching and phototrophic Bacteria), Springer-Verlag, New York, 2001, p. 119-166.
  • Hoffmann et al. (2005) assigned this genus to the family Phormidiaceae Anagnostidis and Komárek 1988. Publication: Hoffmann L, Komárek J, Kaštovský J. System of cyanoprokaryotes (cyanobacteria) – state in 2004. Algol. Stud. 2005; 117:95-115.
  • Suda et al. (2002) assigned this genus to the family "Microcoleaceae". Publication: Suda S, Watanabe MM, Otsuka S, Mahakahant A, Yongmanitchai W, Nopartnaraporn N, Liu Y, Day JG. Taxonomic revision of water-bloom-forming species of oscillatorioid cyanobacteria. Int J Syst Evol Microbiol 2002; 52:1577-1595.
  • The type species of this genus has alternatively been placed in the genus Oscillatoria Vaucher ex Gomont 1892. Publication: Gomont M. Monographie des Oscillariées (Nostocacées Homocystées). Deuxième partie. - Lyngbyées. Annales des Sciences Naturelles, Botanique, Série 7 1892; 16:91-264.
  • This taxon name is occasionally misprinted in some sources as: "Plankrothrix"; "Plankthothrix"; "Plantothrix".
  • This taxon was discussed in a meeting of a Taxonomic Subcommittee of the ICSP. Publication: Imhoff JF, Wilmotte A. International Committee on Systematics of Prokaryotes. Subcommittee on the Taxonomy of Phototrophic Bacteria: Minutes of the meetings, 4 August 2015, Tubingen, Germany. Int J Syst Evol Microbiol 2022; 72:5211.
  • The BRCs most frequently used for deposits in this group are: NIES: 7; CCAP: 4; NIVA-CYA: 2.

Subdivision:

Number of child taxa with a validly published and correct name: 20
Number of child taxa with a validly published name, including synonyms: 21
Total number of child taxa: 25

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Planktothrix agardhii (Gomont 1892) Anagnostidis and Komárek 1988	validly published under the ICN (Botanical Code)	correct name
    Planktothrix arnoldii (Kiselev 1927) Anagnostidis and Komárek 1988	validly published under the ICN (Botanical Code)	correct name
    Planktothrix clathrata (Skuja 1956) Anagnostidis and Komárek 1988	validly published under the ICN (Botanical Code)	correct name
    Planktothrix compressa (Utermöhl 1925) Anagnostidis and Komárek 1988	validly published under the ICN (Botanical Code)	correct name
    Planktothrix cryptovaginata (Schkorbatow 1923) Anagnostidis and Komárek 1988	validly published under the ICN (Botanical Code)	synonym
    Planktothrix geitleri (Kiselev 1927) Anagnostidis and Komárek 1988	validly published under the ICN (Botanical Code)	correct name
    Planktothrix iranica Heidari and Hauer 2018	validly published under the ICN (Botanical Code)	correct name
    "Planktothrix isothrix" (Skuja 1948) Komárek and Komárková 2004	not validly published
    Planktothrix iwanoffiana (Nygaard 1926) Umezaki and Watanabe 1994	validly published under the ICN (Botanical Code)	correct name
    Planktothrix lacustris (Klebahn 1895) Umezaki and Watanabe 1994	validly published under the ICN (Botanical Code)	correct name
    Planktothrix miyadii (Negoro 1943) Umezaki and Watanabe 1994	validly published under the ICN (Botanical Code)	correct name
    Planktothrix mougeotii Anagnostidis and Komárek 1988	validly published under the ICN (Botanical Code)	correct name
    "Planktothrix mougeotii" Suda et al. 2002	not validly published
    Planktothrix paucivesiculata Gaget et al. 2015	validly published under the ICN (Botanical Code)	correct name
    Planktothrix perornata (Skuja 1949) Anagnostidis and Komárek 1988	validly published under the ICN (Botanical Code)	correct name
    Planktothrix planctonica (Elenkin 1949) Anagnostidis and Komárek 1988	validly published under the ICN (Botanical Code)	correct name
    Planktothrix prolifica (Gomont 1892) Anagnostidis and Komárek 1988	validly published under the ICN (Botanical Code)	correct name
    "Planktothrix pseudagardhii" Suda and Watanabe 2002	not validly published
    Planktothrix raciborskii (Wołoszyńska 1912) Anagnostidis and Komárek 1988	validly published under the ICN (Botanical Code)	correct name
    Planktothrix rubescens (De Candolle ex Gomont 1892) Anagnostidis and Komárek 1988	validly published under the ICN (Botanical Code)	correct name
    Planktothrix serta Gaget et al. 2015	validly published under the ICN (Botanical Code)	correct name
    "Planktothrix stereotis" Walter et al. 2017	not validly published
    Planktothrix suspensa (Pringsheim 1965) Anagnostidis and Komárek 1988	validly published under the ICN (Botanical Code)	correct name
    Planktothrix tepida Gaget et al. 2015	validly published under the ICN (Botanical Code)	correct name
    Planktothrix zahidii (Faridi and Khalil 1974) Anagnostidis and Komárek 1988	validly published under the ICN (Botanical Code)	correct name

Parent taxon: Oscillatoriaceae Engler 1898

Assigned by: Komárek J, Kaštovský J, Mareš J, Johansen JR. Taxonomic classification of cyanoprokaryotes (cyanobacterial genera) 2014, using a polyphasic approach. Preslia 2014; 86:295-335.

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Record number: 6176